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Table 6 Relation between PWI changes and APVS in SWI

From: SWI as a promising tool comparable to CT perfusion in evaluation of acute cerebral infarction

PWI APVS No APVS Total p
Positive 16 (84%) 3 (16%) 19 0.001
Negative 0 (0%) 6 (100%) 6
Total 16 9 25